Atrium and vestibule entries or lobbies are glassed structures that usually abut or are underneath elevated buildings.
Availability of Elevators by Area for this occupancy: No
Marshall Valuation Service sections: 15 and 45.
|
|
|
|
|
|
Class |
|
|
|
|
|
Quality |
A |
B |
C |
D |
H |
M |
P |
S |
W |
|
Low |
50 |
50 |
45 |
40 |
-- |
-- |
-- |
40 |
-- |
|
Average |
55 |
55 |
50 |
45 |
-- |
-- |
-- |
45 |
-- |
|
Good |
60 |
60 |
55 |
50 |
-- |
-- |
-- |
50 |
-- |
|
Excellent |
60 |
60 |
55 |
50 |
-- |
-- |
-- |
50 |
-- |
Class A (Fireproof Structural Steel Frame): and Class B (Reinforced Concrete Frame):
|
Quality |
Exterior Walls |
Interior Finish |
Mechanicals |
HVAC |
|
Cheap |
Brick, block, concrete, very plain, no roof structure |
Under elevated building, low-cost elevator/stairway vestibule only |
Minimum electrical |
None |
|
Low |
Metal and glass, some concrete, brick or stucco panels, no roof |
Under elevated building vestibule, low-cost terrazzo, vinyl and acoustic |
Minimum electrical and plumbing |
Warm and cool air (zoned) |
|
Average |
Glass shed curtain wall, glass and some exposed roof deck |
Terrazzo, masonry pavers, few partitions or extras |
Adequate electrical and plumbing |
Hot and chilled water (zoned) |
|
Good |
Architectural glazed shed atrium, good space frame |
Good stone, masonry pavers, good lobby wall treatment, trim |
Good lighting & plumbing |
Hot and chilled water (zoned) |
|
Excellent |
Structural glass, decorative space frame and shed atrium glazing |
Granite, marble, high-cost pavers, ornate finishes |
Best lighting, adequate electrical and plumbing |
Hot and chilled water (zoned) |
Class C (Masonry Bearing Walls):, Class D (Wood or Steel Framed Exterior Walls): and Class S (Metal Frame and Walls):
|
Quality |
Exterior Walls |
Interior Finish |
Mechanicals |
HVAC |
|
Cheap |
Block, brick veneer or stucco, very plain, no roof structure |
Under elevated building, low-cost elevator/stairway vestibule only |
Minimum electrical |
None |
|
Low |
Glass panels, block, brick veneer or stucco, no roof |
Under building vestibule, vinyl composition and acoustic tile |
Minimum electrical and plumbing |
Warm and cool air (zoned) |
|
Average |
Glass shed curtain wall, skylights, some exposed roof deck |
Low-cost terrazzo, masonry pavers, few partitions or extras |
Adequate electrical and plumbing |
Warm and cool air (zoned) |
|
Good |
Good glazed shed atrium |
Stone or masonry pavers, some good lobby wall treatment, trim |
Good lighting & plumbing |
Hot and chilled water (zoned) |